Sharp Carousel R-1601 Servis Kılavuzu - Sayfa 25

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Sharp Carousel R-1601 Servis Kılavuzu
Pin No.
Signal
I/O
24
P25
OUT
25
P26
OUT
26
P27
OUT
27
P30
OUT
28
P31
OUT
29-34
P32-P37
OUT
35
CVCC
IN
36
VSS
IN
37-38
V3-V2
IN
39-40
V1-V0
IN
41
VCC
IN
42-45
COM4-COM1
OUT
46-65
OUT
SEG1-SEG20
66-79
P74-P91
OUT
80-85
SEG35-SEG40
OUT
86
P40
OUT
87
P41
IN
88
P42
IN
89
IRQ0
IN
Magnetron high-voltage circuit driving signal.
To turn on and off the cook
relay(RY2). In P-HI operation, the
signals holds "L" level during mi-
crowave cooking and "H" level
while not cooking. In other cooking
modes (P-90,P-80,P-70,P-60,P-
50,P-40,P-30,P-20,P-10,P-0) the
signal turns to "H" level and "L"
level in repetition according to the
power level.
Hood motor driving signal.
To turn on and off relay(RY4). "L" level: During
Hood motor ON. "H" level: During Hood motor
OFF.
Hood motor high / low driving signal.
To turn on and off relay(RY5). "L" level: During
Hood motor high. "H" level: During Hood motor
low.
Hood lamp driving signal.
To turn on and off solid state relay(SSR1). " 1 "
level: During Hood lamp ON (WORK LIGHT level).
" 2 " level: During Hood lamp ON (NIGHT LIGHT
level). "H" level: During Hood lamp OFF.
Turntable motor driving signal.
To turn on and off relay(RY3). "L" level: During
Turntable ON. "H" level: During Turntable OFF or
during the oven is off condition.
Terminal not used.
Connected to GND.
Power source voltage:-5V.
The power source voltage to the LSI is input to VSS terminal. Connected to VC.
Terminal not used.
Power source voltage input terminal.
Standard voltage for LCD. Connected to GND.
Power source voltage: GND (0V).
The power source voltage to drive the LSI is input to VCC terminal.
Terminal not used.
Terminal not used.
Data output terminal to LCD driver IC3.
Terminal not used.
Terminal not used.
Signal similar to AN10.
When either G13 line on key matrix is touched, acorresponding signal will be input into P41.
Signal similar to AN10.
When either G12 line on key matrix is touched, acorresponding signal will be input into P42.
Signal synchronized with commercial power source frequency.
This is the basic timing for time processing of LSI.
23
Description
VARI-MODE
P-HI (100% power)
P-90 (approx. 90% power)
P-80 (approx. 80% power)
P-70 (approx. 70% power)
P-60 (approx. 60% power)
P-50 (approx. 50% power)
P-40 (approx. 40% power)
P-30 (approx. 30% power)
P-20 (approx. 20% power)
P-10 (approx. 10% power)
P-0 (0% power)
ON
ON
H
1
L
H
2
L
ON
R-1600
R-1601
R-1602
ON TIME
OFF TIME
32 sec.
0 sec.
30 sec.
2 sec.
26 sec.
6 sec.
24 sec.
8 sec.
22 sec.
10 sec.
18 sec.
14 sec.
16 sec.
16 sec.
12 sec.
20 sec.
8 sec.
24 sec.
6 sec.
26 sec.
0 sec.
32 sec.
H : GND
OFF
L
H : GND
OFF
L
AC
CURRENT
WORK
LIGHT
NIGHT
LIGHT
H : GND
OFF
L
H : GND
L : -5V
16.7 msec.